Machine for polishing and sorting nuts



(N0 ModeL) W. R. BARNHART.

MACHINE FOR POLISHING AND SORTING NUTS, 8m. 110.320.3263

Patented June 16, 1885.

N. Pholn-Lfihagrapher, Wuhinglon. Dll

TJNrTnn STATES PATENT @rrrcn.

WILLIAM R. BAR NHART, OF ST. LOUIS, MISSOURI.

MACHlNE FOR POLISHING AND SORTING NUTS, 84,0.

SPECIFICATIONforming part of Letters Patent No. 320,326, dated June 16,1885.

Application filed January 26, 1885.

To all whom it may concern:

Be it-k nown that I, WILLIAM R. BARNHART, of the city of St. Louis, in the State of Missouri, have invented a certain new and useful Improvement in Machines for Polishing and Sorting Nuts, &c., of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification.

Figure 1 is a side elevation of the machine, partin section. Fig. 2 is an end View of the rotary cylindrical riddles. Fig. 3 is a transverse sect-ion at 3 3, Fig. 1. Fig. 4is a detail section at 4 4, Fig. 3. Fig. 5 is an enlarged detail section showing the apertures between the slats for the passage of the nuts. .Fig. 6 is an enlarged detail longitudinal section at 6 6, Fig. 2. Fig. 7 is an enlarged detail showing the adjusting device. Fig. Sis a detail of part of one of the outer bands or hoops, showing the lug and slot of the adjusting device.

9 is the frame of the machine, said frame having any suitable construction, and giving journal-bearing to the shaft 10 of the rotary cylindrical riddles.

Upon the shaft 10 are two circular hubs having spokes 11 and three circular concentric rings, 12, 13, and 14. To the outsides of these rings are attached wooden slats or metal bars 15, extending from each of the respective rings at one end of the cylinder to a corresponding ring at the other ,end, thus forming open cylinders, the slats being arranged parallel and a distance asunder.

Between the slats or bars are arranged other slats, 16, which are also parallel with those, 15, but do not fill the spaces between them. The slats or bars 16 are attached to the inner sides of rings 17, 1S, and 19 at the ends of the open cylinders. The slats 15 16 of the outer cylinder do not extend beyond the rings 14, so that the ring 19 is even with the ring 14 at each end of the open cylinder or cylindrical riddle. In the two other cylinders the slats 15 16 extend beyond the rings 12 and 13, and the ends of the slats 15 are attached to supporting-rings 12 and 13, of equal diameter with the rings 12 and 13, respectively. The

outer rings, 17, are even with the rings 12 and concentric therewith, while the rings 18 occupy the same position relatively to the rings (No model.)

13. To these outer rings, 17 18 l9,the slats 1.6 of the respective cylinders are secured.

It will be seen (see, especially, Figs. 3 and 5) that the spaces between the slats of the inner cylinder are larger than those of the next cylinder, and that the spaces in the outer cylinder are smallest of all. The construction is such that the larger nuts will be retained in the inner cylinder until discharged at the end, the next largest nuts will be similarly retained in the next cylinder, and only the refuse will pass through the slats of the outer cylinder, although, if preferred, the smallest nuts may pass through the spaces of the outer cylinder with the broken shells or other refuse matter.

The receiving-ends of the cylinders are at 20, a central opening, 21, being in the end 22 of the inner cylinder, through which all the nuts enter from a hopper, 23. The ends 24 25 of the other cylinders are entirely closed. (See Fig. 4.)

The dischargingends of the three cylinders have annular heads 26, 27, and 28, with openings 29, 30, and 31.

It will be seen that a certain quantity of nuts will be retained in the cylinders by the annular heads 26, 27, and 28, so that the nuts will be polished by abrasion against the sides of the cylinders and against each other.

The discharge-openings 29, 30, and 31 are in communication, respectively, with spouts or chutes 32, 33, and 34,while the material passing between the slats of the outer cylinder is received into a hopper or receiver, 35, and may be discharged where desired.

It will be seen that when the movable slats 16 are intermediate or equidistant between the fixed slats all the spaces between the slats will be equal in width, and the cylinder operate to retain and tail off the smallest nuts which it is capable of retaining, and that by turning the movable rings a small distance the apertures or spaces at one side of the movable slats are decreased in width, while those onthe other side are increased, thereby allowing nuts of a larger size to pass through.

As a means for turning and holding the rings 17, 18, and 19, I fix a ing, 36, in each of the rings 12, 13, and 14, said lug extending through a slot, 37, in the movable ring, and having a screw-threaded eye in which screws the adjusting-screw 38. The screw 38 turns in a lug, 39, upon the outside of each movable ring, the screw being restrained from endwise movement in the lug by the head and co1 lar 41. 42 is a pulley upon the shaft 10, for the reception of a drive-belt.

There may be astirrer upon the shaft within the hopper.

One of the slats or bars 16 in each cylinder may be secured by removable screws 43, so as to allow its removal to allow the contents of the cylinders to run out.

I am aware that separating-cylinders formed of longitudinal slats have been provided with means for adjusting the width of the spaces between said slats, and do not claim such, broadly, as my invention. Heretofore the said means consisted of a slat located at the back of each of the slats which form the cylinder, said slats being connected at their respective extremities to a pair of hoops, which were capable of a slight rotary movement relatively tothe hoops to which theslats of the reel were attached. This I do not claim as my invention, nor is it the equivalent thereof.

I claim 1. In a separating-cylinder, the combination, with the longitudinal slats located in the same circular plane, of separate rings or hoops to which the alternate slats are respectively secured, as and for the purpose set forth.

2. In a separating-cylinder, the combination, with the longitudinal slats thereof, of

two sets of concentric rings or hoops between which said slats are placed and to which alternate slats are respectively attached, substantially in the manner and for the purpose set forth.

3. The combination, with the longitudinal slats, of two sets of relatively-movable concentric rings or hoops between which said slats are placed and to which alternate slats are respectively attached, as and for the purpose set forth.

4. In a separating-cylinder, the combination, with the shaft 10, having the spokes 11 radiating therefrom, the rings 12, secured to said spokes, and the slats 15, secured to said rings, of the rings l7,encircling said slats,and the intermediate slats, 16, secured to said rings 17, substantially as and for the purpose set forth.

5. The combination, with the shaft 10, having the radial spokes 11, of two or more sets of rings, 12 13, secured thereto, the longitudinal slats 15,secured to said rings, the rings 12 13, to which said slats are also secured, the rings 17 18, encircling the slats 15, and the alternating slats 16, secured to said rings 17 18, substantially as and for the purposes set forth.

WILLIAM R. BARNHART.

W'itnesses:

SAML. KNIGHT, GEO. I-I. KNIGHT. 

